package day05;
import java.util.Arrays;
import java.util.Random;
//数组的排序
public class ArraysSort {
    public static void main(String[] args) {
        Random rand = new Random();
        int[] arr = new int[10];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = rand.nextInt(100);
            //arr[i] = (int)(Math.random()*100);
            System.out.println(arr[i]);
        }
        System.out.println("------------------------------");
        System.out.println("升序");
        Arrays.sort(arr);   //对arr数组做升序排列
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
        System.out.println("------------------------------");
        System.out.println("降序");
        for (int i = arr.length-1; i >= 0; i--) {   //数据还是升序，只是倒着展示
            System.out.println(arr[i]);
        }
    }
}
